HA39 fly wheel stuck

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  • March 31, 2015 at 11:09 pm #1075
    stanley
    Participant

      US Member - 2 Years

      The usual hold the motor by the fly wheel and tap the nut method has not worked.I’ve been applying WD overnight and tapping in the morning.No luck.The problem now is I can’t figure out how to use a puller.There are three equally spaced holes in the top,but they are only1/16"in dia,not very deep and not threaded.So what obvious thing am I missing?

      April 1, 2015 at 1:27 am #13126
      Steve A W
      Participant

        US Member - 2 Years

        Here’s a video by Tubbs about removing a flywheel with a "Knocker" when there
        aren’t any holes for a puller.

        https://www.youtube.com/watch?v=RWgE9XiIBnk

        WD40 isn’t a "Penetrating" oil, it is for water displacement and lubrication.
        You need something like Kroil or PB Blaster.
        Good Luck.
        Steve A W

        Member of the MOB chapter.
        I live in Northwest Indiana

        April 1, 2015 at 4:01 am #13131
        joecb
        Participant

          US Member

          Using a "knocker" is defiantly recommended, saves abusing the crankshaft threads. However " tapping" usually doesn’t get it done… need more like "wack" and with a heavy hammer. Be sure to be lifting the flywheel, using both hands and having a helper do the wacking is the way to go on a stubborn one.

          Joe B

          April 1, 2015 at 2:09 pm #13143
          stanley
          Participant

            US Member - 2 Years

            The knocker and a bigger hammer did the trick.I made the knocker using a couple of castle nuts and a bolt,no welding involved.Thanks again

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